Worksheet: Union of Sets

Q1:

Given that , what is the value of ?

Q2:

Use or to fill in the gap: If and , then .

• A
• B

Q3:

Given that , what is the value of ?

Q4:

Find .

• A
• B
• C
• D
• E

Q5:

Given that , what is the value of ?

Q6:

Given that , what is the value of ?

Q7:

What is ?

• A
• B
• C
• D
• E

Q8:

Use or to fill in the gap: If and , then .

• A
• B

Q9:

What is ?

• A
• B
• C
• D

Q10:

If and , what is ?

• A
• B
• C
• D

Q11:

If , , and , what is ?

• A
• B
• C
• D

Q12:

Find .

• A
• B
• C
• D

Q13:

What is ?

• A
• B
• C
• D
• E

Q14:

If , what is ?

• A
• B
• C
• D

Q15:

Given that , what is the value of ?

Q16:

Given that , what is the value of ?

Q17:

What is ?

• A
• B
• C
• D

Q18:

Find .

• A
• B
• C
• D

Q19:

Use or to fill in the gap: If and , then .

• A
• B

Q20:

Find the union set of and the set of digits in the number 46β786.

• A
• B
• C
• D
• E

Q21:

Given that and , find .

• A
• B
• C
• D

Q22:

Given that , what is the value of ?

Q23:

Given that , what is the value of ?

• A81
• B
• C18
• D or

Q24:

Find .

• A
• B
• C
• D

Q25:

Find .

• A
• B
• C
• D